Internet + Mobile Savings for Business
Andrew Henderson
Published Apr 04, 2026
Optimum Mobile leverages T-Mobile 4G LTE and 5G networks. T-Mobile has America's largest 5G network with more 5G bars in more places. Fastest: Based on median, overall combined 5G speeds according to analysis by Ookla® of Speedtest Intelligence® data 5G download speeds for Q2 2023. 5G capable device required; 5G not available in all areas.
500 MBPS FIBER INTERNET: Up to 500 Mbps download/up to 500 Mbps upload, not available in all areas. Advertised speed for wired connection. Actual speeds may vary & are not guaranteed, see for more info.
OPTIMUM MOBILE: $30/mo. per line for unlimited data, talk & text. Requires 2+ lines of service and no more than 20 lines of service per account. Autopay required. Other monthly charges apply per line, including $20 activation fee, and may include roaming charges, taxes, government fees and other Optimum Mobile fees and surcharges (including USF fee). Data speeds reduced for remainder of billing cycle after 20 GB is used.
INTERNET AND MOBILE SAVINGS BUNDLE: $20/mo. savings on your Internet service (discount varies by Internet speed).
QUALITY OF SERVICE (QOS): Optimum Mobile leverages T-Mobile 4G LTE and 5G networks to deliver nationwide network coverage. After reaching 1 GB or 3 GB data cap, data is reduced to 2G (128 Kbps) speeds for remainder of bill cycle. Additional data purchases available once 1 GB/3 GB data cap is reached. After reaching 20 GB (for Unlimited data plans) or 50 GB (for Unlimited Max data plans) data is reduced to 3G (512 Kbps) speeds for remainder of bill cycle. Subject to this QoS policy, tethering at 600 Kbps and video streaming at SD quality (about 480p), for by the Gig plans, and after 5 GB of tethered data usage for Unlimited Data plan. For Unlimited Max plan, speeds will be reduced to 3G (512 Kbps) after 15 GB of tethered data usage in a month for the remainder of the billing period, and streaming video will be at HD quality (720p). Domestic off-net (roaming) at 2G speeds. See our Broadband Disclosure for additional performance and network management details.
1 GB, 3 GB, UNLIMITED & UNLIMITED MAX PLAN DETAILS: AutoPay required. New Optimum Mobile lines only, cannot be applied to existing lines of service. Other monthly charges apply per line, including $20 activation fee, and may include roaming charges, taxes, government fees and other Optimum Mobile fees and surcharges (including USF fee). Pricing, offer and terms subject to change at any time. Data options may be switched at any time during bill cycle. Downgrade limited to 1x per bill cycle and effective with following bill cycle. Upgrades effective immediately. International talk/text from U.S. and talk/text/data while traveling abroad not included.
OTHER RESTRICTIONS: Credit approval may be required. Offer subject to discontinuance at any time, not available everywhere or for all phones/networks, and may not be combined with any other Optimum Mobile offers.
Other terms and conditions apply; visit for plan details.
Pricing, offers, and terms subject to change and discontinuance w/o notice. All trademarks and service marks are the property of their respective owner. © 2024 CSC Holdings, LLC, a subsidiary of Altice USA, Inc.